Beverage server



FIG. 1 is a top front perspective view of a beverage server showing the left side of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view of FIG. 2;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a beverage server, substantially as shown. 